23212002223 has 2 divisors, whose sum is σ = 23212002224. Its totient is φ = 23212002222.

The previous prime is 23212002197. The next prime is 23212002257. The reversal of 23212002223 is 32220021232.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23212002223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23212002223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23212402223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606001111 + 11606001112.

It is an arithmetic number, because the mean of its divisors is an integer number (11606001112).

Almost surely, 2^23212002223 is an apocalyptic number.

23212002223 is a deficient number, since it is larger than the sum of its proper divisors (1).

23212002223 is an equidigital number, since it uses as much as digits as its factorization.

23212002223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23212002223 its reverse (32220021232), we get a palindrome (55432023455).

The spelling of 23212002223 in words is "twenty-three billion, two hundred twelve million, two thousand, two hundred twenty-three".